Defective Motor Operation; No Power - Samsung ML-1430 Service Manual

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4.4.8 Defective motor operation

• Description

Main motor is not driving when printing, and paper does not feed into the printer, resulting 'Jam 0'.

Check and Cause

1. Motor harness or sub PCB may be defective.

2. Perform DCU diagnostic code 00 and Check the motor

operation.

• Description

When system power is turned on, all lamps on the operator panel do not come on.

Check and Cause

1. Check if the power input and SMPS output are normal.

2. Check the inferiority of LED-Panel on the front-cover if

the LED of Panel does not appear after normal warming-

up.

Samsung Electronics

Solution

1. Check the motor harness, replace it, if defective.

(Service Parts : Figure 12, chapter 5)

2. Replace the SMPS, if necessary.

(Service Parts : Figure 10, chapter 5)

Solution

1. Replace the power supply cord or SMPS.

(Service Parts : Figure 10, chapter 5)

2. Replace the control board.

(Service Parts : Figure 9, chapter 5)

3. Replace the LED-panel.

(Service Parts : Figure 1-1, chapter 5)

Troubleshooting

4-19

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